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Definition of slackness
slackness
/ˈslæk.nəs/
slack · ness
Adverb:slackly
•Plural:slacknesses
•Adjective:slack
slackness Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Rare
Syllables
2
slackness Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The quality or state of being loose, relaxed, or not tautly stretched.
Example
"The engineer adjusted the pulley to eliminate the dangerous slackness in the steel cable."
2
Negligence, carelessness, or a lack of due diligence and effort in one's work or duty.
Example
"The audit revealed a troubling slackness in how the department handled confidential financial records."
3
A state of low activity, sluggishness, or stagnation in business, trade, or movement.
Example
"Retailers offered steep discounts to overcome the seasonal slackness in consumer demand."
Synonyms
View all synonyms for slackness Antonyms
View all antonyms for slackness• Rhymes for slackness
• Nearby Words
Word Origin & Etymology
Derived from Old English 'sleacnes', meaning 'laziness' or 'mental sluggishness', formed from the adjective 'sleac' (slack) and the noun suffix '-nes'.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Slackness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/slackness